Eggs and egg cases
Pupae and exuviae
Parasitism, predation, and other causes of death
Sign on vertebrates
Droppings, secretions, and protective coverings without foreign materials
Webs and other silken constructions
Cocoons
Coverings, cases, retreats, and nests made from foreign materials
Sign on algae, fungi, and plants
Leaf mines
Leaf shelters
Galls
Sign on twigs, stems, and stemlike structures
Sign on and in wood
Sign on rocks and shells
Burrows and mounds
Molelike excavations and simple surface trails
Tracks and trails
Appendix A: Plants mentioned in this book.